<template>
  <van-nav-bar
  title="标题"
  left-text="返回"
  left-arrow
  @click-left="onClickLeft"
/>
</template>

<script>
export default {
  methods:{
    onClickLeft(){
      this.$router.go(-1)
    }
  }
}
</script>

<style scoped>
</style>